APA Style

Nack, William. (2002). Secretariat (Cetakan Pertama). London: HarperCollinsPublisher.

Chicago Style

Nack, William. Secretariat. Cetakan Pertama London: HarperCollinsPublisher, 2002. Text.

MLA Style

Nack, William. Secretariat. Cetakan Pertama London: HarperCollinsPublisher, 2002. Text.

Turabian Style

Nack, William. Secretariat. Cetakan Pertama London: HarperCollinsPublisher, 2002. Print.